Today is the day of an important baseball game for my only son, Takayuki. "I have something I can't miss today." Yumi sent her husband and Takayuki away and decided to stay home alone. That "important business" is a secret meeting with Sefure Shinichi. Moreover, she chose Yumi's house because she didn't want to waste even a single second of her time. Then the chime of the house rings and Shinichi comes. The two people's "time limit, unlimited FUCK" starts from this moment...
